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Pregled bibliografske jedinice broj: 685099

Časopis

Autori: Furusawa, K.; ...; Dominis Prester, Dijana; ...; Zub, M.
Naslov: MOA-2010-BLG-328Lb : A Sub-Neptune Orbiting very Late M Dwarf?
Izvornik: The Astrophysical journal (0004-637X) 779 (2013), 2; 91-1-91-12
Vrsta rada: članak
Ključne riječi: gravitational lensing: micro; planetary systems
Sažetak:
We analyze the planetary microlensing event MOA-2010-BLG-328. The best fit yields host and planetary masses of M h = 0.11 ± 0.01 M ☉ and M p = 9.2 ± 2.2 M ⊕, corresponding to a very late M dwarf and sub-Neptune-mass planet, respectively. The system lies at D L = 0.81 ± 0.10 kpc with projected separation r = 0.92 ± 0.16 AU. Because of the host's a priori unlikely close distance, as well as the unusual nature of the system, we consider the possibility that the microlens parallax signal, which determines the host gravitational lensing: micro, planetary systems mass and distance, is actually due to xallarap (source orbital motion) that is being misinterpreted as parallax. We show a result that favors the parallax solution, even given its close host distance. We show that future high-resolution astrometric measurements could decisively resolve the remaining ambiguity of these solutions.
Projekt / tema: 316-0000000-2824
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
URL Internet adrese: http://arxiv.org/abs/1309.7714
http://adsabs.harvard.edu/abs/2013ApJ...779...91F
Broj citata:
Altmetric:
DOI: 10.1088/0004-637X/779/2/91
URL cjelovitog teksta:
Google Scholar: MOA-2010-BLG-328Lb : A Sub-Neptune Orbiting very Late M Dwarf?
Upisao u CROSBI: Dijana Dominis Prester (dijana@phy.uniri.hr), 21. Sij. 2014. u 10:49 sati



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